# -*- coding: utf-8 -*-
# author: sixmillions
# date: 2022/04/08

# 交互式编程
# 输入python或者python3
"""
[root@six ~]# python3
Python 3.7.12 (default, Nov 12 2021, 11:47:36)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print('Hello')
Hello
>>>
"""
"""
在交互模式中，最后被输出的表达式结果被赋值给变量 _ 

>>> x, y = 1, 2
>>> x + y
3
>>> print(_)
3
>>> _ + 10
13
>>> print(_)
13
"""

# 脚本式编程
"""
bash脚本首行：
#! /usr/bin/env python3
或者
#! /usr/bin/python3

chmod +x xxx.py

./xxx.py
"""
